JVC BN-VF823U 2190-mAh Rechargeable Data Battery for JVC MiniDV

Manufacturer Description
JVC Everio G includes patented and other proprietary technology and will operate only with JVC Data Battery. JVC Data Battery has been designed to provide customers with safety and convenient operation. Any damage caused by using a battery other than a JVC Data Battery is not covered by the JVC Warranty.
Approximate continuous operation times for the BN-VF823:

Non-megapixel model: 4 hour 55 minutes
1-Megapixel model: 4 hour 35 minutes
2-Megapixel model: 3 hour 50 minutes
5-Megapixel model: 3 hour 45 minutes

Product Description
JVC BN-VF823 Lithium-Ion Battery Pack (7.2V, 2190mAh)
Designed for GZ-MG130, 155, 255, GZ-MG555